A post shared by Sarah Michelle (@sarahmgellar) on May 9, 2017 at 8:15am PDT

"Having kids is wonderful, and life changing, and rarely what you're prepared for. I love my children more than anything in the world," the "Buffy the Vampire Slayer" actress wrote. "But like a lot of women, I too struggled with postpartum depression after my first baby was born. I got help, and made it through, and every day since has been the best gift I could ever have asked for."

After the mother of two shared the battle she faced after giving birth to her daughter Charlotte to her 1.5 million followers, she concluded her caption with a call to action.

"To those of you going through this, know that you're not alone and that it really does get better. And if you believe that postpartum depression should be covered by healthcare, please take a moment and go to callmycongress.com today, find your rep's numbers and let them know. #NotAPreExistingCondition"

Now more than ever celebrities are using their platforms to discuss previously-considered taboo topics. Chrissy Teigen has opened up about her battle with postpartum depression after giving birth to baby Luna. "I have postpartum depression. How can I feel this way when everything is so great," Teigen told Glamour Magazine in March.